Question $1$

Consider the data in table $1.$

Table $1$: Data

$($a$)$: What is the decision boundaries along with the data points for the three decision trees in figure $1($a$)$

and figure $1($b$).$ Draw the answers in Figure $2.$

$($a$)$

Figure $1$: Decision trees

$($a$)$ Draw Decision Boundary of Tree $($a$)$

$($b$)$ Draw Decision Boundary of Tree $($b$)$

Figure $2$: Draw answers here.

$($b$)$: Which decision tree is better? Can you draw a better decision tree? Please write down your answer

and cleared state the reason.